解决conda命令报错CondaSSLError（mac也适用）

问题：

CondaSSLError: Encountered an SSL error. Most likely a certificate verification issue.

Exception: HTTPSConnectionPool(host=‘repo.anaconda.com’, port=443): Max retries exceeded with url: /pkgs/main/osx-arm64/current_repodata.json (Caused by SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1129)’)))

原因：

ssl证书过期

解决：

1. cat ~/.condarc
   打开.condarc文件
2. 将以下文本复制并粘贴进.condarc文件内

channels:
  - https://mirrors.ustc.edu.cn/anaconda/pkgs/free/
  - https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge/
  - https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/
show_channel_urls: true

3. 保存后退出